4. Put on antistatic protection.
5. Unpack the new SFP module. Verify that it is the same type of module you are
replacing. Save all packing materials in the event you might need to return the
new SFP module.
Attention: Handle and install fiber-optic cables properly to avoid degraded
performance or loss of communications with devices. For specific handling
guidelines, see “Handling fibre-optic cables” on page 48.
6. Disconnect the interface cable from the SFP module. (Figure 125 shows the
SFP module, interface cable, and the rear of a controller.)
7. Remove the failed SFP module from the controller.
8. Install the new SFP module into the controller.
9. Reconnect the interface cable.
Controller A
ds50051
Controller B
SFP Bypass LEDs
SFP Bypass LEDs
Figure 124. Needs Attention and SFP Model Bypass LEDs
ds50031
Figure 125. Replacing a SFP module
196 IBM System Storage DS5100 and DS5300 Storage Subsystem: Installation, User’s, and Maintenance Guide
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